CN211456865U - Power motor seal structure for new energy automobile - Google Patents
Power motor seal structure for new energy automobile Download PDFInfo
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- CN211456865U CN211456865U CN202020188381.1U CN202020188381U CN211456865U CN 211456865 U CN211456865 U CN 211456865U CN 202020188381 U CN202020188381 U CN 202020188381U CN 211456865 U CN211456865 U CN 211456865U
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- thread pipe
- filter screen
- pipe
- periphery
- external thread
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Abstract
The utility model provides a power motor seal structure for new energy automobile, includes the motor shaft, the periphery suit mechanical seal of motor shaft is equipped with the pump leaf rotor of fixed mounting in the motor shaft periphery in the mechanical seal, scrapes the left side of pole and the right side sliding contact cooperation of filter screen, violently the bottom side of pipe periphery sets up the second through-hole that is located the filter screen right side, the first external screw thread pipe of fixed mounting in the second through-hole, the peripheral screw thread installation internal thread pipe of first external screw thread pipe, the bottom surface of internal thread pipe is sealed. The utility model discloses can accomplish to filter lubricating oil in the use to can carry out automatic clearance to the filter screen in the filter process, reduce because there are a large amount of impurities on the filter screen and block up. Can enough get rid of the impurity in the lubricating oil, can clear up the filter screen simultaneously in filtering process, avoid the filter screen surface to adhere to impurity too much and violently manage the jam.
Description
Technical Field
The utility model belongs to the seal structure field, specifically speaking are power motor seal structure for new energy automobile.
Background
CN209823555U discloses a power motor sealing structure for new energy automobile, which adopts a motor shaft in this patent, a motor end cover, an inner side oil seal, an outer side oil seal, a pump blade rotor, an oil outlet pipeline, an oil return pipeline, an oil storage tank, the circulation flow of lubricating oil is utilized to dissipate heat in the sealing structure, the service life of the oil seal is prolonged, the sealing performance is increased, but the lubricating oil can generate impurities in the long-term use process, when the impurities and the lubricating oil circulate simultaneously, the impurities adhere to the surface of the sealing structure and can influence the rotation of the motor shaft, the friction between the motor shaft and the oil seal is increased, on the contrary, the generation of heat can be further increased, the abrasion degree of the oil seal and the motor shaft is accelerated, the sealing effect is made worse, and therefore, the novel power motor sealing structure for new energy automobile is.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power motor seal structure for new energy automobile for solve the defect among the prior art.
The utility model discloses a following technical scheme realizes:
a power motor sealing structure for a new energy automobile comprises a motor shaft, wherein a mechanical sealing element is sleeved on the periphery of the motor shaft, a pump blade rotor fixedly installed on the periphery of the motor shaft is arranged in the mechanical sealing element, an oil outlet pipeline with one end communicated with the inside of the mechanical sealing element is arranged above the mechanical sealing element, an oil inlet pipeline with one end communicated with the inside of the mechanical sealing element is arranged below the mechanical sealing element, the other end of the oil outlet pipeline is communicated with the top side of an oil storage tank, the other end of the oil inlet pipeline is fixedly connected with a transverse pipe, the other end of the transverse pipe is communicated with the bottom side of the periphery of the oil storage tank, a filter screen is fixedly installed in the middle of the inner wall of the transverse pipe, a first through hole is formed in the middle of the filter screen, a rotating shaft is installed in a bearing mode in the first through hole, the bottom side of the periphery of the transverse pipe is provided with a second through hole positioned on the right side of the filter screen, a first external threaded pipe is fixedly installed in the second through hole, an internal threaded pipe is installed on the periphery of the first external threaded pipe in a threaded mode, and the bottom surface of the internal threaded pipe is closed.
As above a power motor seal structure for new energy automobile, the coaxial second external thread pipe of bottom surface fixed mounting of first external thread pipe, the external diameter of second external thread pipe is the same with first external thread pipe, the internal diameter of second external thread pipe is less than first external thread pipe, the inner wall of internal thread pipe and the periphery threaded connection of second external thread pipe, the bottom surface fixed connection several connecting rod's of second external thread pipe one end, the other end of connecting rod is fixed connection respectively at the top surface of same screw, screw internal thread installation screw rod, the upper end of screw rod is passed second external thread pipe and is located first external thread pipe, the upper end fixed mounting piston of screw rod, the piston can with the inner wall sliding contact cooperation of second external thread pipe, the bottom fixed mounting square pole of screw rod, the square pipe of square hole is seted up to the middle part fixed mounting inner wall of internal thread pipe inner wall bottom surface, the square pole only can reciprocate in square pipe.
According to the power motor sealing structure for the new energy automobile, the middle part of the inner wall of the internal thread pipe is provided with the annular convex edge, and the top surface of the annular convex edge is fixedly provided with the annular rubber pad.
According to the power motor sealing structure for the new energy automobile, the mechanical sealing element comprises a motor end cover, an inner side oil seal and an outer side oil seal, and a pump blade rotor fixedly installed on the periphery of a motor shaft is located between the inner side oil seal and the outer side oil seal.
According to the power motor sealing structure for the new energy automobile, the highest liquid level of the lubricating oil in the oil storage tank is higher than the highest points of the inner side oil seal and the outer side oil seal.
According to the power motor sealing structure for the new energy automobile, the vent plug is fixedly installed at the top of the oil storage tank.
The utility model has the advantages that: the utility model discloses can accomplish to filter lubricating oil in the use to can carry out automatic clearance to the filter screen in the filter process, reduce because there are a large amount of impurities on the filter screen and block up. When the novel oil filter is used, the motor shaft rotates to drive the pump blade rotor to rotate so that lubricating oil flows, the lubricating oil flows through the oil storage tank, the transverse pipe, the oil inlet pipeline, the mechanical sealing element and the oil outlet pipeline flow back to the oil storage tank, the interior of the mechanical sealing element is cooled, in the flowing process of the lubricating oil, when the lubricating oil flows through the transverse pipe, impurities in the lubricating oil can be filtered by the filter screen, the lubricating oil flows to drive the helical blades, the rotating shaft of the bearing installed on the filter screen and the scraping rod rotate, the left side of the scraping rod is matched with the right side of the filter screen in a sliding contact mode, the impurities can be scraped from the filter screen, the impurities can enter the internal threaded pipe through the first external threaded pipe under the action of gravity, when the impurities in the internal threaded pipe are more, the internal threaded pipe can be taken down from the periphery of the first external threaded pipe by, The pivot can enough get rid of the impurity in the lubricating oil with scraping the pole, can clear up the filter screen simultaneously in filtering process, has avoided the filter screen surface to adhere to impurity too much and will violently manage the jam.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; fig. 3 is an enlarged view of the view from the direction a of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A power motor sealing structure for a new energy automobile comprises a motor shaft 1, a mechanical sealing element 2 is sleeved on the periphery of the motor shaft 1, a pump blade rotor 25 fixedly installed on the periphery of the motor shaft 1 is arranged in the mechanical sealing element 2, an oil outlet pipeline 3 with one end communicated with the inside of the mechanical sealing element 2 is arranged above the mechanical sealing element 2, an oil inlet pipeline 4 with one end communicated with the inside of the mechanical sealing element 2 is arranged below the mechanical sealing element 2, the other end of the oil outlet pipeline 3 is communicated with the top side of an oil storage tank 5, the other end of the oil inlet pipeline 4 is fixedly connected with a transverse pipe 6, the other end of the transverse pipe 6 is communicated with the bottom side of the periphery of the oil storage tank 5, a filter screen 7 is fixedly installed in the middle of the inner wall of the transverse pipe 6, the filter screen 7 is a hard filter screen plate, a first through hole 8 is formed in the middle, the right side of filter screen 7 is equipped with the pole 11 of scraping of fixed mounting in pivot 9 periphery right side, scrapes the left side of pole 11 and the right side sliding contact cooperation of filter screen 7, and the bottom side of violently pipe 6 periphery is seted up and is located the second through-hole 12 on filter screen 7 right side, and first external screw thread pipe 13 of fixed mounting in the second through-hole 12, the peripheral screw thread installation internal thread pipe 14 of first external screw thread pipe 13, and the bottom surface of internal thread pipe 14 is sealed. The utility model discloses can accomplish to filter lubricating oil in the use to can carry out automatic clearance to the filter screen in the filter process, reduce because there are a large amount of impurities on the filter screen and block up. When the motor shaft 1 rotates to drive the pump blade rotor 25 to rotate so as to enable lubricating oil to flow, the lubricating oil flows back into the oil storage tank 5 through the oil storage tank 5, the transverse pipe 6, the oil inlet pipeline 4, the mechanical sealing element 2 and the oil outlet pipeline 3 to cool the interior of the mechanical sealing element 2, when the lubricating oil flows through the transverse pipe 6 in the flowing process of the lubricating oil, the filter screen 7 can filter impurities in the lubricating oil, the lubricating oil flows to drive the helical blades 10, the rotating shaft 9 and the scraping rod 11 which are mounted on the filter screen 7 through bearings to rotate, the left side of the scraping rod 11 is in sliding contact fit with the right side of the filter screen 7, the impurities can be scraped from the filter screen 7, the impurities enter the internal thread pipe 14 through the first external thread pipe 13 under the action of gravity, when the impurities in the internal thread pipe 14 are more, the internal thread pipe 14 can be taken down from the periphery of the first external thread pipe, can clear up impurity, through filter screen 7, helical blade 10, pivot 9 and scraping rod 11, can enough get rid of the impurity in the lubricating oil, can clear up filter screen 7 simultaneously in filtering process, avoided filter screen 7 surface adhesion impurity too much to violently manage 6 jam.
Specifically, as shown in the drawing, a second external thread pipe 15 is fixedly installed coaxially on the bottom surface of the first external thread pipe 13, the outer diameter of the second external thread pipe 15 is the same as that of the first external thread pipe 13, the inner diameter of the second external thread pipe 15 is smaller than that of the first external thread pipe 13, the inner wall of the internal thread pipe 14 is in threaded connection with the outer periphery of the second external thread pipe 15, the bottom surface of the second external thread pipe 15 is fixedly connected with one end of a plurality of connecting rods 16, the other end of each connecting rod 16 is fixedly connected with the top surface of the same nut 17, a screw 18 is installed in the nut 17 in a threaded manner, the upper end of the screw 18 penetrates through the second external thread pipe 15 and is positioned in the first external thread pipe 13, a piston 19 is fixedly installed on the upper end of the screw 18, the piston 19 can be in sliding contact fit with the inner wall of the second external thread pipe 15, a square rod 27 is fixedly installed on the, the square bar 27 can move only up and down in the square tube 20. When turning internal thread pipe 14 and empting impurity, square pipe 20 drives square rod 27 and screw rod 18 and rotates, because screw 17 rigidity, screw rod 18 downstream, piston 19 and the inner wall sliding contact cooperation of second external thread pipe 15, block up second external thread pipe 15, can take off internal thread pipe 14 and can not make lubricating oil take place to leak, clear away the completion when impurity, insert square rod 27 in square pipe 20, reverse turning internal thread pipe 14, drive screw rod 18 and piston 19 rebound, piston 19 no longer with the inner wall sliding contact cooperation of second external thread pipe 15, make internal thread impurity can continue to get into in the pipe 14.
Specifically, as shown in the figure, an annular convex edge 21 is formed in the middle of the inner wall of the internal threaded pipe 14 in the embodiment, and an annular rubber pad is fixedly mounted on the top surface of the annular convex edge 21. Annular protruding edge 21 can carry on spacingly to internal thread pipe 14, and the bottom surface of the outer screwed pipe 15 of second simultaneously can seal internal thread pipe 14 and the outer screwed pipe 15 of second with the top surface contact cooperation of annular rubber pad, avoids lubricating oil to reveal.
Further, as shown in the figure, the mechanical sealing element 2 of the present embodiment includes a motor end cover 22, an inner side oil seal 23, and an outer side oil seal 24, and a vane rotor 25 fixedly mounted on the outer periphery of the motor shaft 1 is located between the inner side oil seal 23 and the outer side oil seal 24. When the motor shaft 1 rotates, the pump vane rotor 25 is driven to rotate, the lubricating oil is driven to flow back to the oil storage tank 5 through the oil storage tank 5, the transverse pipe 6, the oil inlet pipeline 4, the inner space formed by the motor end cover 22, the inner side oil seal 23 and the outer side oil seal 24 and the oil outlet pipeline 3 in sequence, circulation is formed, heat dissipation can be carried out on the contact position of the oil seal and the motor shaft 1, and the problem that the sealing performance is influenced due to the fact that the oil seal fails due to the high temperature generated by friction.
Further, as shown in the figure, the maximum level of the lubricant in the oil storage tank 5 is higher than the maximum points of the inner oil seal 23 and the outer oil seal 24. The highest liquid level of the lubricating oil in the oil storage tank 5 is higher than the highest points of the inner oil seal 23 and the outer oil seal 24, so that the lubricating oil can be completely immersed in the oil seals when the motor shaft 1 does not rotate, and meanwhile, the lubricating oil can not normally circulate when the motor shaft 1 rotates again.
Further, as shown in the drawings, a vent plug 26 is fixedly installed on the top of the oil tank 5 in the embodiment. The oil storage tank 5 can be communicated with the outside through the vent plug 26, the vent plug 26 can only enable air to circulate and can block lubricating oil from flowing out, and the internal atmospheric pressure of the oil storage tank 5 can be ensured to be the same as the external atmospheric pressure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a power motor seal structure for new energy automobile which characterized in that: comprises a motor shaft (1), a mechanical sealing element (2) is sleeved at the periphery of the motor shaft (1), a pump blade rotor (25) fixedly installed at the periphery of the motor shaft (1) is arranged in the mechanical sealing element (2), an oil outlet pipeline (3) with one end communicated with the inside of the mechanical sealing element (2) is arranged above the mechanical sealing element (2), an oil inlet pipeline (4) with one end communicated with the inside of the mechanical sealing element (2) is arranged below the mechanical sealing element (2), the other end of the oil outlet pipeline (3) is communicated with the top side of an oil storage tank (5), a transverse pipe (6) is fixedly connected with the other end of the oil inlet pipeline (4), the other end of the transverse pipe (6) is communicated with the bottom side of the periphery of the oil storage tank (5), a filter screen (7) is fixedly installed at the middle part of the inner wall of the transverse pipe (6), a first through hole (, the left side of filter screen (7) is equipped with fixed mounting helical blade (10) on the left of pivot (9) periphery, the right side of filter screen (7) is equipped with fixed mounting and scrapes pole (11) on pivot (9) periphery right side, the left side of scraping pole (11) and the right side sliding contact cooperation of filter screen (7), second through-hole (12) that are located filter screen (7) right side are seted up to the bottom side of violently pipe (6) periphery, first external screw thread pipe (13) of second through-hole (12) internal fixation installation, the periphery threaded mounting internal thread pipe (14) of first external screw thread pipe (13), the bottom surface of internal thread pipe (14) is sealed.
2. The power motor sealing structure for the new energy automobile according to claim 1, characterized in that: the bottom surface of the first external thread pipe (13) is fixedly provided with a second external thread pipe (15) which is coaxial, the outer diameter of the second external thread pipe (15) is the same as that of the first external thread pipe (13), the inner diameter of the second external thread pipe (15) is smaller than that of the first external thread pipe (13), the inner wall of the internal thread pipe (14) is in threaded connection with the periphery of the second external thread pipe (15), the bottom surface of the second external thread pipe (15) is fixedly connected with one end of a plurality of connecting rods (16), the other ends of the connecting rods (16) are respectively and fixedly connected with the top surface of the same nut (17), a screw (18) is arranged in the nut (17) in a threaded manner, the upper end of the screw (18) penetrates through the second external thread pipe (15) to be positioned in the first external thread pipe (13), the upper end of the screw (18) is fixedly provided with a piston (19), and the piston (19) can be in sliding contact, a square rod (27) is fixedly installed at the bottom end of the screw (18), a square tube (20) with a square hole in the inner wall is fixedly installed in the middle of the bottom surface of the inner wall of the internal thread tube (14), and the square rod (27) can only move up and down in the square tube (20).
3. The power motor sealing structure for the new energy automobile according to claim 2, characterized in that: an annular convex edge (21) is arranged in the middle of the inner wall of the internal thread pipe (14), and an annular rubber pad is fixedly arranged on the top surface of the annular convex edge (21).
4. The power motor sealing structure for the new energy automobile according to claim 1, characterized in that: the mechanical sealing element (2) comprises a motor end cover (22), an inner side oil seal (23) and an outer side oil seal (24), and a pump blade rotor (25) fixedly installed on the periphery of the motor shaft (1) is located between the inner side oil seal (23) and the outer side oil seal (24).
5. The power motor sealing structure for the new energy automobile according to claim 4, characterized in that: the highest liquid level of lubricating oil in the oil storage tank (5) is higher than the highest points of the inner side oil seal (23) and the outer side oil seal (24).
6. The power motor sealing structure for the new energy automobile according to claim 1, characterized in that: and a vent plug (26) is fixedly arranged at the top of the oil storage tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020188381.1U CN211456865U (en) | 2020-02-20 | 2020-02-20 | Power motor seal structure for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020188381.1U CN211456865U (en) | 2020-02-20 | 2020-02-20 | Power motor seal structure for new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211456865U true CN211456865U (en) | 2020-09-08 |
Family
ID=72295748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020188381.1U Expired - Fee Related CN211456865U (en) | 2020-02-20 | 2020-02-20 | Power motor seal structure for new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211456865U (en) |
-
2020
- 2020-02-20 CN CN202020188381.1U patent/CN211456865U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20210220 |